Klaviyo is built on unified customer data depth enabling advanced segmentation and personalization across all channels, while Omnisend prioritizes guided ecommerce workflows with affordable omnichannel execution. Klaviyo wins for data-driven brands needing sophisticated behavioral triggers; Omnisend wins for cost-conscious stores wanting faster setup.
Klaviyo vs Omnisend — Side-by-side comparison on A Versus B
Ecommerce-focused email and SMS marketing platform with advanced segmentation and predictive analytics for online retailers.
Budget-friendly omnichannel marketing platform combining email, SMS, and push notifications.
Core Product Architecture. Free Plan SMS Messaging. Free Plan Segmentation. Segmentation Depth. Third-Party Integrations. Setup Speed for New Users. Customer Data Richness
Choose Klaviyo if your brand needs sophisticated behavioral segmentation, advanced personalization across channels, and plans to invest in deep customer data infrastructure—ideal for mid-to-large ecommerce companies with mature marketing teams. Choose Omnisend if you want multichannel marketing (email, SMS, push) at a lower cost, need faster time-to-value with guided workflows, and prefer pre-built integrations over extensive customization—ideal for small-to-mid-sized stores bootstrapping their marketing stack.
Klaviyo: All email features included | Omnisend: N/A
Klaviyo: eCommerce-optimized templates | Omnisend: N/A
Klaviyo: Advanced behavior-led segmentation | Omnisend: N/A
Klaviyo: Unified customer data foundation | Omnisend: N/A
Klaviyo: Not included | Omnisend: Unlimited SMS included
Klaviyo: Basic email features only | Omnisend: Unlimited segments
Klaviyo: Extensive custom via API | Omnisend: 130+ pre-built
Klaviyo: Real-time behavioral graphs with continuous updates | Omnisend: Behavioral tracking with standard segmentation
Klaviyo: Email, SMS, push, in-app, direct mail | Omnisend: Email, SMS, push notifications
Klaviyo: Higher minimum investment required | Omnisend: More cost-effective, free plan available
Klaviyo: Mid-to-large ecommerce, Shopify Plus, data-driven brands | Omnisend: Small-to-mid ecommerce, Shopify, cost-conscious teams
Average eCommerce Email Revenue Per Send
Klaviyo: $20/month (500 contacts) | Omnisend: N/A
Klaviyo: Varies by plan features | Omnisend: N/A
Klaviyo: B2C customer data platform | Omnisend: N/A
Klaviyo: Included in all plans | Omnisend: N/A
Klaviyo: 4,200% ROI (industry average) | Omnisend: N/A
Klaviyo: Email, SMS, push (native) | Omnisend: N/A
Klaviyo: Limited 2-way capability | Omnisend: N/A
Klaviyo: Native email + SMS + pop-ups | Omnisend: N/A
Klaviyo: Yes, multi-channel A/B testing | Omnisend: N/A
Klaviyo: Smart scheduling with AI optimization | Omnisend: N/A
Klaviyo: Active profiles (contacts with behavior) | Omnisend: N/A
Klaviyo: Limited (plan-dependent) | Omnisend: N/A
Klaviyo: Included (higher plans only) | Omnisend: N/A
Klaviyo: Advanced behavioral data segmentation | Omnisend: N/A
Klaviyo: 3 (Email, SMS, WhatsApp) | Omnisend: N/A
Klaviyo: Personalized send time optimization | Omnisend: N/A
Klaviyo: Built-in CDP as core foundation | Omnisend: N/A
Klaviyo: Steeper learning curve (data-focused) | Omnisend: Low (guided ecommerce workflows)
Klaviyo: Predictive send-time optimization (Q4 2025), AI-driven personalization | Omnisend: N/A
Klaviyo: Enterprise-grade, proven at scale with dedicated infrastructure | Omnisend: N/A
Klaviyo: Unlimited triggered sequences with advanced conditional logic | Omnisend: N/A
Klaviyo: SMB to Enterprise (all Shopify store sizes) | Omnisend: N/A
Klaviyo: $72 per email sent | Omnisend: N/A
Klaviyo: Industry average 4,200% | Omnisend: N/A
Klaviyo: Deep native with purchase-event segmentation | Omnisend: N/A
Klaviyo: Behavioral purchase-event segmentation | Omnisend: N/A
Klaviyo: North America eCommerce focus | Omnisend: N/A
Klaviyo: $20+ (usage-based) | Omnisend: N/A
Klaviyo: Email, SMS, Web Push, Forms | Omnisend: N/A
Klaviyo: 24/5 email, phone 9-5 EST | Omnisend: N/A
Klaviyo: Behavioral, predictive, e-commerce segments, custom attributes | Omnisend: N/A
Klaviyo: 150,000+ e-commerce merchants | Omnisend: N/A
Klaviyo: $0.01-0.03 (add-on) | Omnisend: N/A
Klaviyo: Advanced multi-channel | Omnisend: N/A
Klaviyo: Native integration with major platforms | Omnisend: N/A
Klaviyo: AI-powered with customer data platform | Omnisend: N/A
Klaviyo: Yes, native SMS | Omnisend: N/A
Klaviyo: No, third-party required | Omnisend: N/A
Klaviyo: Native SMS included | Omnisend: N/A
Klaviyo: 200+ Shopify-optimized | Omnisend: N/A
Klaviyo: Unlimited with predictive optimization | Omnisend: N/A
Klaviyo: 10-15% with predictive send time | Omnisend: N/A
Klaviyo: None (paid only) | Omnisend: N/A
Klaviyo: 5 active automations | Omnisend: N/A
Klaviyo: 150+ with AI generation | Omnisend: N/A
Klaviyo: Yes (all plans) | Omnisend: N/A
Klaviyo: $20 (for 500 contacts) | Omnisend: N/A
Klaviyo: 1-2 weeks (visual setup) | Omnisend: N/A
Klaviyo: Native built-in integration | Omnisend: N/A
Mid-Tier Price (5K contacts/subscribers)
Enterprise Price (100K+ contacts/subscribers)
Klaviyo: Basic customer profiles only | Omnisend: N/A
Klaviyo: Basic behavioral and manual only | Omnisend: N/A
Klaviyo: Basic mobile only | Omnisend: N/A
Klaviyo: Native deep integration with pre-built flows | Omnisend: N/A
Klaviyo: Yes, included with segmentation | Omnisend: N/A
Klaviyo: Advanced (20+ trigger types) | Omnisend: N/A
Klaviyo: Email only | Omnisend: Email + SMS + Push
Klaviyo: $0.01-0.015 (add-on) | Omnisend: Included
Mid-Tier Plan Monthly Cost (10k contacts)
Klaviyo: Subject, content, send time, segment split | Omnisend: N/A
Klaviyo: Paid add-on ($0.02 per view) | Omnisend: N/A
Klaviyo: Included in base | Omnisend: N/A
Klaviyo: Customer profiles and purchase history only | Omnisend: N/A
Klaviyo: N/A | Omnisend: 0 SMS (SMS is paid-only)
Klaviyo: N/A | Omnisend: 2-4 hours average
Klaviyo: N/A | Omnisend: Unlimited workflows with AI suggestions
Ecommerce-Specific Abandoned Cart Feature
Klaviyo: N/A | Omnisend: Advanced with AI product recommendations
Klaviyo: N/A | Omnisend: 500 contacts (Free plan available)
How to choose between Klaviyo and Omnisend
Klaviyo vs Omnisend — Structured Comparison Data
Machine-readable comparison dataset for Klaviyo vs Omnisend. Contains 150 attribute comparisons, 5 FAQ pairs.
Klaviyo vs Omnisend — Attribute Category Vocabulary
Taxonomy of attribute categories used to classify comparison data for Klaviyo vs Omnisend.
Which platform is cheaper for small ecommerce stores?
Omnisend is significantly more cost-effective for small businesses. Its free plan includes unlimited SMS messaging and unlimited segments, while Klaviyo's free plan is limited to basic email features with no SMS. For stores under $50K monthly revenue, Omnisend's lower pricing tier makes it the better financial choice.
Which platform has better customer segmentation capabilities?
Klaviyo excels at advanced segmentation through its unified customer data platform that builds real-time behavioral graphs. This enables more sophisticated trigger-based automation and personalization. Omnisend offers competent segmentation including unlimited segments in the free plan, but lacks Klaviyo's depth for complex behavioral workflows.
Omnisend has a faster setup with guided ecommerce workflows that reduce decision fatigue, making it ideal for teams wanting to launch campaigns within days. Klaviyo requires more upfront configuration decisions around data architecture and segmentation strategy, but pays off long-term with greater flexibility and control.
Both integrate deeply with Shopify and Shopify Plus. Klaviyo offers more extensive custom integration possibilities via API for complex tech stacks, while Omnisend provides 130+ pre-built integrations covering most common ecommerce tools, making integration setup faster for typical stores.
Should I choose based on email performance metrics alone?
No—the real difference is in segmentation depth, automation sophistication, and behavioral triggers. Klaviyo's unified data platform enables more advanced lifecycle campaigns over time, while Omnisend's simpler architecture gets you launching multichannel campaigns faster. Choose based on your team's data maturity and growth timeline, not just email specs.
How to Choose Between Klaviyo and Omnisend
Core Product Architecture: Klaviyo has Unified customer data platform + marketing engine, while Omnisend has Ecommerce-first workflow + omnichannel bundling.
Free Plan SMS Messaging: Klaviyo has Not included in free tier, while Omnisend has Unlimited SMS included free.
Free Plan Segmentation: Klaviyo has Basic email features only, while Omnisend has Unlimited segments included free.
Segmentation Depth: Klaviyo has Advanced behavioral graph with real-time customer profiles, while Omnisend has Competent but simpler segmentation logic.
Third-Party Integrations: Klaviyo has Extensive custom integrations via API, while Omnisend has 130+ pre-built integrations + flexible APIs.
Setup Speed for New Users: Klaviyo has Requires more configuration decisions, while Omnisend has Guided ecommerce workflows reduce decision load.
Customer Data Richness: Klaviyo has Builds real-time behavioral graphs continuously, while Omnisend has Tracks behavioral data but with less depth.